28674880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 112

約数和(自身を含む): 75401424

約数和(自身を除く): 46726544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 113, 122, 130, 160, 208, 226, 244, 260, 305, 320, 416, 452, 488, 520, 565, 610, 793, 832, 904, 976, 1040, 1130, 1220, 1469, 1586, 1808, 1952, 2080, 2260, 2440, 2938, 3172, 3616, 3904, 3965, 4160, 4520, 4880, 5876, 6344, 6893, 7232, 7345, 7930, 9040, 9760, 11752, 12688, 13786, 14690, 15860, 18080, 19520, 23504, 25376, 27572, 29380, 31720, 34465, 36160, 47008, 50752, 55144, 58760, 63440, 68930, 89609, 94016, 110288, 117520, 126880, 137860, 179218, 220576, 235040, 253760, 275720, 358436, 441152, 448045, 470080, 551440, 716872, 896090, 1102880, 1433744, 1792180, 2205760, 2867488, 3584360, 5734976, 7168720, 14337440, 28674880]

約数ペア:

[(1, 28674880), (2, 14337440), (4, 7168720), (5, 5734976), (8, 3584360), (10, 2867488), (13, 2205760), (16, 1792180), (20, 1433744), (26, 1102880), (32, 896090), (40, 716872), (52, 551440), (61, 470080), (64, 448045), (65, 441152), (80, 358436), (104, 275720), (113, 253760), (122, 235040), (130, 220576), (160, 179218), (208, 137860), (226, 126880), (244, 117520), (260, 110288), (305, 94016), (320, 89609), (416, 68930), (452, 63440), (488, 58760), (520, 55144), (565, 50752), (610, 47008), (793, 36160), (832, 34465), (904, 31720), (976, 29380), (1040, 27572), (1130, 25376), (1220, 23504), (1469, 19520), (1586, 18080), (1808, 15860), (1952, 14690), (2080, 13786), (2260, 12688), (2440, 11752), (2938, 9760), (3172, 9040), (3616, 7930), (3904, 7345), (3965, 7232), (4160, 6893), (4520, 6344), (4880, 5876)]